JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



'35 



Toes, four, two in front and two behind 

 (zygodactyle) ; tail feathers, stiff and pointed. 



Family PICID^E. Woodpeckers. 



See page 163. 



Plumage, glossy black; first primary, much 

 shorter than second, not exceeding half as long 

 as third; fourth, or fifth primary, longest; bill, 

 stout and strong; the nostrils, concealed by 

 coarse, hair-like feathers; outer tail feathers, 

 shorter than middle feathers. 



Family CORVID^E. Crows and Ravens. 

 See page 178. 



